Folding type spraying mechanism of unmanned aerial vehicle

Abstract

The utility model discloses a turnover type spraying mechanism of an unmanned aerial vehicle, which comprises an adapter plate, a spraying pipe is arranged on the adapter plate, the spraying pipe comprises a fixed part and a turnover part, and the fixed part is rotatably or flexibly connected with the turnover part; a driving device is further included and comprises a mounting base, a first driving unit is arranged on the mounting base, the tail end of the first driving unit is hinged to the mounting base, and the output end of the first driving unit is hinged to the folding part; the adapter plate is further provided with an eccentric mechanism, the eccentric mechanism comprises a second driving unit, the output end of the second driving unit is provided with an eccentric wheel, and the eccentric wheel abuts against or is separated from the folding part. According to the turnover type spraying mechanism of the unmanned aerial vehicle, the spraying pipe can be turned over downwards, when outwards-extending flanges of a floor need to be sprayed, the spraying pipe is turned over downwards to form a certain angle, the unmanned aerial vehicle can conveniently spray the outwards-extending flanges of the floor, and the spraying effect of the unmanned aerial vehicle is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of spraying, and in particular relates to a folding spraying mechanism of an unmanned aerial vehicle. Background Art

[0002] In order to improve the waterproof performance of the exterior walls of houses, a waterproof layer is usually sprayed on the exterior walls of houses. The traditional spraying method is to spray manually, but for high-rise houses, manual spraying is not only inefficient, but also has certain safety risks. Therefore, in the existing technology, spraying is performed by drones, which not only improves the spraying efficiency, but also reduces the safety risks of workers. However, most existing drones can only spray the vertical surface of the exterior wall. When the exterior wall of the house is provided with a flange extending outward, the spraying effect is not good.

[0003] In the prior art, for example, the patent document with publication number CN217416104U discloses a spraying drone, which includes a drone frame, a drone controller and a paint reserve chamber are arranged inside the drone frame, and a spraying main rod is connected to the left and right sides of the paint reserve chamber, and the end of the spraying main rod is connected to a spraying support rod through a valve, and the spraying support rod includes a rod body, and a plurality of nozzles are arranged outside the rod body. However, the spraying main rod of the drone can only spray the vertical surface of the exterior wall, and when the exterior wall of the house is provided with a flange extending outward, the spraying effect is not good.

[0004] Therefore, there is an urgent need for a folding spraying mechanism for a drone to solve the above problems. Summary of the invention

[0005] In response to the problems in the prior art, the utility model proposes a foldable spraying mechanism for a drone, so that the spraying tube can be folded downward. When it is necessary to spray the flange extending outward from the floor, the spraying tube is folded downward to form a certain angle, which makes it convenient for the drone to spray the flange extending outward from the floor, thereby ensuring the spraying effect of the drone.

[0006] The utility model is implemented as follows: a folding spraying mechanism of a drone, comprising an adapter plate installed on the bottom of the drone, a spraying pipe being arranged on the adapter plate, the spraying pipe being connected to an external silo, the spraying pipe comprising a fixing portion and a folding portion which are interconnected, the fixing portion being installed on the adapter plate and being rotatably or flexibly connected to the folding portion so that the folding portion can be folded downward; when the drone needs to spray a flange extending outward from a floor, the folding portion is folded downward so that a certain angle is formed between the folding portion and the flange, so that the drone can spray the flange conveniently and the spraying effect of the drone is ensured.

[0007] The drive device also includes a mounting seat, the mounting seat is installed on the adapter plate, and a first drive unit is provided on the mounting seat, one end of the first drive unit is hinged to the mounting seat, and the other end is hinged to the folding portion; when the first drive unit drives the folding portion to rotate or fold, the height position of the hinge point between the two will change at any time with the movement of the folding portion, thereby causing the first drive unit to rotate, and at the same time, the angle between the first drive unit and the folding portion will also change. Both ends of the first drive unit are hingedly installed, which can prevent the drive device from getting stuck and ensure the smoothness of the movement of the drive device.

[0008] The adapter plate is also provided with an eccentric mechanism, which includes a second drive unit, and an eccentric wheel is provided at the output end of the second drive unit. The folding portion of the spray tube extends and is located below the eccentric wheel. Under the drive of the second drive unit, the outer contour surface of the eccentric wheel is against or separated from the folding portion. The eccentric wheel is used to generate a downward thrust on the folding portion when the first drive unit drives the folding portion to fold downward. In order to prevent the driving device from colliding with obstacles on the ground when the drone lands, the installation height of the driving device should be increased as much as possible. However, increasing the installation height of the driving device will cause the first driving unit to be parallel to the folding portion when the folding portion is horizontal. In the extreme case, the first driving unit is parallel to the folding portion. At this time, the driving device is at a dead point position, and the direction of the driving force generated by the first driving unit is along the axial direction of the folding portion, and the folding portion cannot be driven to fold downward. At this time, the eccentric mechanism is used to push the folding portion to fold downward, break away from the dead point, and enable the first driving unit to drive the folding portion to fold downward. That is, the eccentric mechanism can prevent the driving device from getting stuck, thereby improving the smoothness of the driving device.

[0009] It is inconvenient to install the driving device and the eccentric mechanism separately on the bottom of the drone. The adapter plate enables the driving device and the eccentric mechanism to form a whole, simplifies the installation complexity of the driving device and the eccentric mechanism, and improves the installation convenience of the driving device and the eccentric mechanism.

[0010] The drone is provided with a host, and the host is also provided with a control module, and the control module is electrically connected to the first driving unit and the second driving unit respectively.

[0011] Specifically, the adapter plate is provided with a first hinge portion extending downward, the folding portion is also provided with a second hinge portion adapted to the first hinge portion, and the first hinge portion is hinged to the second hinge portion. The first hinge portion and the second hinge portion enable the folding portion to be rotatably connected to the adapter plate, providing a rotation fulcrum for the folding portion.

[0012] Specifically, the spray tube further comprises a flexible tube, the two ends of which are flexibly connected to the fixed portion and the folding portion, respectively, and the flexible tube is located below the first hinged portion. The flexible tube can be restored after deformation, so that the fixed portion can adapt to the folding portion in motion; at the same time, the flexible tube is located below the first hinged portion, so that when the flexible tube is deformed, the overall deformation degree is relatively uniform, preventing the deformation degree of some areas of the flexible tube from being too large, and extending the service life of the flexible tube.

[0013] Specifically, the adapter plate is further provided with a sensing unit, the sensing end of which faces the folding direction of the folding portion. The sensing unit is used to sense whether there is an obstacle under the drone, to prevent the folding portion from colliding with the obstacle and being damaged when folding, thereby improving the safety of the folding portion.

[0014] Preferably, the outer periphery of the eccentric wheel is coated with flexible silicone, and the flexible silicone is used to reduce the pressure of the eccentric wheel on the folding part to prevent the eccentric wheel from damaging the folding part.

[0015] Preferably, a floating joint is provided at the output end of the first drive unit, and the floating joint is hinged to the folding portion. When the first drive unit is installed, there is an installation error. The floating joint is used to eliminate the installation error and prevent the first drive unit from getting stuck during movement, thereby improving the smoothness of the first drive unit.

[0016] Preferably, a solenoid valve is provided at the outlet end of the folding portion, and the solenoid valve is electrically connected to the control module. The solenoid valve is used to prevent the spraying liquid inside the folding portion from flowing out when not spraying, causing the spraying liquid to spill everywhere.

[0017] Preferably, the adapter plate is further provided with a fixing seat for fixing the fixing part, and the fixing seat has at least two. When the spraying liquid is delivered to the fixing part, it will have a certain impact on the fixing part. According to the basic concept of geometry: two points determine a straight line, the fixing part is fixed by at least two fixing seats, so that the fixing part remains stable under the impact of the spraying liquid, thereby improving the stability of the fixing part.

[0018] Preferably, the folding portion is further provided with a camera unit, which is connected to the control module. The camera unit is used to confirm whether the flange is sprayed in place, thereby improving the spraying reliability of the drone.

[0019] Preferably, the first driving unit is an electric cylinder. The output end of the electric cylinder can stay at any position within the stroke, so that the folding part can be folded to different angles, thereby increasing the use range of the folding spraying mechanism and further improving the compatibility of the drone.

[0020] Beneficial effects of the utility model:

[0021] The utility model proposes a foldable spraying mechanism for a drone, which enables a spraying tube to be folded downward by a driving device. When it is necessary to spray a flange extending outward from a floor, the spraying tube is folded downward to form a certain angle, which makes it convenient for the drone to spray the flange extending outward from the floor, thereby increasing the use scenarios of the drone spraying and ensuring the spraying effect of the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an overall schematic diagram of the folding spraying mechanism of the utility model;

[0023] Figure 2 Another overall schematic diagram of the folding spraying mechanism of the utility model;

[0024] Figure 3 It is a folding schematic diagram of the folding spraying mechanism of the utility model;

[0025] Figure 4 It is a schematic diagram of the eccentric mechanism of the folding spraying mechanism of the utility model;

[0026] Figure 5 It is a schematic diagram of the installation of the folding spraying mechanism of the utility model.

[0027] Reference numerals:

[0028] 1. Spraying pipe; 2. Adapter plate; 3. Driving device; 4. Eccentric mechanism; 5. Sensing unit; 6. UAV; 11. Fixing part; 12. Folding part; 13. Flexible tube; 14. Camera unit; 21. First hinged part; 31. Mounting seat; 32. First driving unit; 33. Floating joint; 41. Second driving unit; 42. Eccentric wheel; 121. Second hinged part. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1-Figure 5As shown, a folding spraying mechanism of a UAV includes an adapter plate 2 installed on the bottom of the UAV 6, and a spraying pipe 1 is arranged on the adapter plate 2, and the spraying pipe 1 is connected to an external silo, and the spraying pipe 1 includes a fixing portion 11 and a folding portion 12 which are interconnected, and the fixing portion 11 is installed on the adapter plate 2 and is flexibly connected to the folding portion 12, so that the folding portion 12 can be folded downward; when the UAV 6 needs to spray the flange extending outward from the floor, the folding portion 12 is folded downward, so that a certain angle is formed between the folding portion 12 and the flange, so that the UAV 6 can spray the flange conveniently, thereby ensuring the spraying effect of the UAV 6.

[0031] In this embodiment, the adapter plate 2 is further provided with a fixing seat for fixing the fixing part 11, and the fixing seat has at least two. When the spraying liquid is delivered to the fixing part 11, a certain impact will be generated on the fixing part 11. According to the basic concept of geometry: two points determine a straight line, the fixing part 11 is fixed by at least two fixing seats, so that the fixing part 11 remains stable under the impact of the spraying liquid, thereby improving the stability of the fixing part 11.

[0032] In this embodiment, a solenoid valve is provided at the outlet of the folding portion 12, and the solenoid valve is electrically connected to the control module. The solenoid valve is used to prevent the spraying liquid inside the folding portion 12 from flowing out when not spraying, causing the spraying liquid to spill everywhere.

[0033] In this embodiment, a camera unit 14 is further provided on the folding portion 12, and the camera unit 14 is connected to the control module. The camera unit 14 is used to confirm whether the flange is sprayed in place, thereby improving the spraying reliability of the drone 6.

[0034] The drive device 3 also includes a mounting seat 31, and the mounting seat 31 is installed on the adapter plate 2. A first drive unit 32 is provided on the mounting seat 31, and one end of the first drive unit 32 is hinged to the mounting seat 31, and the other end is hinged to the folding portion 12; when the first drive unit 32 drives the folding portion 12 to rotate or fold, the height position of the hinge point between the two will change at any time with the movement of the folding portion 12, thereby causing the first drive unit 32 to rotate, and at the same time, the angle between the first drive unit 32 and the folding portion 12 will also change. Both ends of the first drive unit 32 are hingedly installed, which can prevent the drive device 3 from getting stuck, thereby ensuring the smoothness of the movement of the drive device 3.

[0035] In this embodiment, a floating joint 33 is provided at the output end of the first drive unit 32. The floating joint 33 is hinged to the folding portion 12. When the first drive unit 32 is installed, there is an installation error. The floating joint 33 is used to eliminate the installation error and prevent the first drive unit 32 from getting stuck during movement, thereby improving the smoothness of the first drive unit 32.

[0036] In this embodiment, the first driving unit 32 is an electric cylinder. The output end of the electric cylinder can stay at any position within the stroke, so that the folding portion 12 can be folded to different angles, thereby increasing the use range of the folding spraying mechanism and further improving the compatibility of the drone 6.

[0037] The adapter plate 2 is also provided with an eccentric mechanism 4, which includes a second drive unit 41. An eccentric wheel 42 is provided at the output end of the second drive unit 41. The folding portion 12 of the spray tube 1 extends and is located below the eccentric wheel 42. Under the drive of the second drive unit, the outer contour surface of the eccentric wheel 42 is against or separated from the folding portion 12. The eccentric wheel 42 is used to generate a downward thrust on the folding portion 12 when the first drive unit 32 drives the folding portion 12 to fold downward. In order to prevent the drive device 3 from colliding with obstacles on the ground when the drone 6 lands, the installation height of the drive device 3 should be increased as much as possible. However, increasing the installation height of the drive device 3 will cause the first drive unit 32 to be parallel to the folding portion 12 when the folding portion 12 is horizontal.

[0038] In this embodiment, the first driving unit 32 is parallel to the folding portion 12, and the driving device 3 is at a dead point. The driving force generated by the first driving unit 32 is in the axial direction of the folding portion 12, and the folding portion 12 cannot be driven to fold downward. At this time, the eccentric mechanism 4 is used to push the folding portion 12 to fold downward and escape from the dead point, so that the first driving unit 32 can drive the folding portion 12 to fold downward. That is, the eccentric mechanism 4 can prevent the driving device 3 from getting stuck, thereby improving the smoothness of the driving device 3.

[0039] In this embodiment, the outer periphery of the eccentric wheel 42 is coated with flexible silicone, and the flexible silicone is used to reduce the pressure of the eccentric wheel 42 on the folding portion 12 to prevent the eccentric wheel 42 from damaging the folding portion 12 .

[0040] The drive device 3 and the eccentric mechanism 4 are installed at the bottom of the drone 6, which is inconvenient to install. The adapter plate 2 allows the drive device 3 and the eccentric mechanism 4 to form a whole, which simplifies the installation complexity of the drive device 3 and the eccentric mechanism 4 and improves the installation convenience of the drive device 3 and the eccentric mechanism 4.

[0041] Specifically, the adapter plate 2 is provided with a first hinge portion 21 extending downward, and the folding portion 12 is also provided with a second hinge portion 121 adapted to the first hinge portion 21, and the first hinge portion 21 is hinged to the second hinge portion 121. The first hinge portion 21 and the second hinge portion 121 enable the folding portion 12 to be rotatably connected to the adapter plate 2, providing a rotation fulcrum for the folding portion 12.

[0042] Specifically, the spray tube 1 further comprises a flexible tube 13, the two ends of which are flexibly connected to the fixed portion 11 and the folding portion 12 respectively, and the flexible tube 13 is located below the first hinged portion 21. The flexible tube 13 can be restored after deformation, so that the fixed portion 11 can adapt to the folding portion 12 in motion; at the same time, the flexible tube 13 is located below the first hinged portion 21, so that when the flexible tube 13 is deformed, the overall deformation degree is relatively uniform, which prevents the deformation degree of a part of the flexible tube 13 from being too large, and prolongs the service life of the flexible tube 13.

[0043] Specifically, the adapter plate 2 is further provided with a sensing unit 5, and the sensing end of the sensing unit 5 faces the folding direction of the folding portion 12. The sensing unit 5 is used to sense whether there is an obstacle under the drone 6, to prevent the folding portion 12 from colliding with the obstacle and being damaged when folding, thereby improving the safety of the folding portion 12.

[0044] The drone 6 is provided with a host, and the host is also provided with a control module, and the control module is electrically connected to the first driving unit 21 and the second driving unit 41 respectively.

[0045] According to the disclosure and teaching of the above specification, the technicians in the field of the utility model can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of explanation and do not constitute any limitation to the utility model.

Claims

1. A foldable spraying mechanism for a drone, comprising an adapter plate mounted on the bottom of the drone, a spraying pipe being arranged on the adapter plate, and the spraying pipe being connected to an external silo, characterized in that: The spraying pipe comprises a fixed portion and a folding portion which are interconnected, wherein the fixed portion is mounted on the adapter plate and is rotationally or flexibly connected to the folding portion; It also includes a driving device, the driving device includes a mounting seat, the mounting seat is mounted on the adapter plate, a first driving unit is provided on the mounting seat, one end of the first driving unit is hinged to the mounting seat, and the other end is hinged to the folding portion; The adapter plate is also provided with an eccentric mechanism, which includes a second drive unit, an eccentric wheel is provided at the output end of the second drive unit, the folded portion of the spray tube extends and is located below the eccentric wheel, and under the driving of the second drive unit, the outer contour surface of the eccentric wheel is against or away from the folded portion; The drone is provided with a host, and the host is also provided with a control module, and the control module is electrically connected to the first driving unit and the second driving unit respectively.

2. The foldable spraying mechanism of a drone according to claim 1, characterized in that: The adapter plate is provided with a first hinge portion extending downward, and the folding portion is further provided with a second hinge portion matched with the first hinge portion, and the first hinge portion is hinged to the second hinge portion.

3. The foldable spraying mechanism of a drone according to claim 2, characterized in that: The spraying tube further comprises a flexible tube, two ends of which are flexibly connected to the fixing portion and the folding portion respectively, and the flexible tube is located below the first hinged portion.

4. The foldable spraying mechanism of a drone according to claim 1, characterized in that: The adapter plate is also provided with a sensing unit, and a sensing end of the sensing unit faces the folding direction of the folding portion.

5. The foldable spraying mechanism of a drone according to claim 1, characterized in that: The outer periphery of the eccentric wheel is coated with flexible silica gel.

6. The foldable spraying mechanism of a drone according to claim 1, characterized in that: A floating joint is provided at the output end of the first driving unit, and the floating joint is hinged to the folding portion.

7. The foldable spraying mechanism of a drone according to claim 1, characterized in that: An electromagnetic valve is provided at the outlet end of the folding portion, and the electromagnetic valve is electrically connected to the control module.

8. The foldable spraying mechanism of a drone according to claim 1, characterized in that: The adapter plate is also provided with a fixing seat for fixing the fixing part, and the fixing seat has at least two.

9. The foldable spraying mechanism of a drone according to claim 1, characterized in that: The folding portion is also provided with a camera unit, and the camera unit is connected to the control module.

10. The foldable spraying mechanism of a drone according to claim 1, characterized in that: The first driving unit is an electric cylinder.

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